9. DRIVE AND DRIVEN PULLEYS/ KICK STARTER AGILITY 50 Ramp Plate Remove the ramp plate. Weight Roller Remove the weight rollers. INSPECTION Check each weight roller for wear or damage. Measure each weight roller O.D. Service Limit: 12.4mm replace if below Check the drive pulley collar for wear or damage. Measure the O.D. of the drive pulley collar sliding surface. Service Limit: 19.97mm replace if below 9-7